THE HUMAN BODY Vocabulary Unit II achilles tendon, involuntary muscle joint ligament marrow muscle nerves reflex voluntary muscle x-ray

achilles tendon a tendon at the back of the ankle that connects the calf muscles and the heel; named after the mythical Greek hero Achilles

a muscle that you cannot consciously move involuntary muscle a muscle that you cannot consciously move

the point where two bones meet joint the point where two bones meet

ligament tissue that connects a bone to other bones or to cartilage and helps to support joints

marrow a tissue that fills many bones and makes most blood cells, including disease-fighting white blood cells

tissue that works with the skeleton to make movement possible muscle tissue that works with the skeleton to make movement possible

nerves Yellow part are nerves the specialized cells or bundled fibers that send signals from one body part to another

involuntary movements as a result of unexpected stimulus grasp reflex reflex involuntary movements as a result of unexpected stimulus

a muscle that you can consciously move voluntary muscle a muscle that you can consciously move

x-rays waves that can be used to take an image of and observe the condition of bone and, in some instances, tissue